Java: how to create a working .exe from a native installer?

Question

I have a program I want to be able to be installed easily by any user, and I thought creating a native installer was the way to go. I used Netbeans 8.0\'s functionalities (P

Answer 1

I just had a similar issue with a native-packaged JavaFX application where I was getting the "Failed due to exception from main class" error. My package.cfg looked the same as yours.

What I did to diagnose it was just to manually run the jar file (e.g. Project.jar) from the command line and see what the stacktrace was, e.g. if your Main class was in org.project.Project

java -cp Project.jar org.project.Project

Turns out for me that the URLs I had been using to load various files (e.g. the FXML files for JavaFX) packaged in the jar were causing issues - I was using relative URLs (e.g. "./blah.ext" or "../foo.txt" etc), but once I had changed the URLs to be absolute based on how the files were laid out in the jar it worked fine (e.g. "/org/project/blah.ext" and "/org/foo.txt").